Ban, Đoàn Văn, and Trương Ngọc Châu. “Clustering Objects for Object-Oriented Database Systems Using Distance Matrices”. Journal of Computer Science and Cybernetics 25, no. 2 (April 27, 2012): 178–187. Accessed November 22, 2024. https://vjs.ac.vn/index.php/jcc/article/view/571.